B4X

IBM Cloud - Text to Speech - Synthesize Audio (GET)

See more IBM Text to Speech Examples

Synthesizes text to audio that is spoken in the specified voice. B4X

Dim success As Boolean = False

'  This example assumes the Chilkat API to have been previously unlocked.
'  See Global Unlock Sample for sample code.

Dim http As ChilkatHttp
http.Initialize("http")

http.Login = "apikey"
http.Password = "my_apikey"
http.BasicAuth = True

'  Use your base URL shown in the credentials web page (below your apikey)
Dim myBaseUrl As String = "https://api.us-south.text-to-speech.watson.cloud.ibm.com/instances/31941e96-7b89-4d56-8993-9cd8f18ec2d8"

Dim sbUrl As ChilkatStringBuilder
sbUrl.Initialize
sbUrl.Append(myBaseUrl)
sbUrl.Append("/v1/synthesize?accept=ACCEPT_TYPE&voice=CHOSEN_VOICE&text=TEXT_TO_SYNTHESIZE")

'  Choose "audio/wav" for the output file type.
Dim numReplaced As Int = sbUrl.Replace("ACCEPT_TYPE", http.UrlEncode("audio/wav"))
'  See the choices for voices at https://cloud.ibm.com/apidocs/text-to-speech#synthesize-audio-get
numReplaced = sbUrl.Replace("CHOSEN_VOICE", "en-US_MichaelVoice")
Dim textToSynthesize As String = "When life gives you lemons, order the lobster tail."
numReplaced = sbUrl.Replace("TEXT_TO_SYNTHESIZE", http.UrlEncode(textToSynthesize))

'  Send the GET to synthesize the voice.
'  The response file will be contained in bdResponseBody
Dim bdResponseBody As ChilkatBinData
bdResponseBody.Initialize
success = http.QuickGetBd(sbUrl.GetAsString, bdResponseBody)
If success = False Then
    Log(http.LastErrorText)
    Return
End If

Dim respStatusCode As Int = http.LastStatus
Log("response status code = " & respStatusCode)

If respStatusCode = 200 Then
    success = bdResponseBody.WriteFile("qa_output/lobster.wav")
    Log("Success!")
Else
    Log(bdResponseBody.GetString("utf-8"))
End If